311103122968 has 128 divisors (see below), whose sum is σ = 699678181440. Its totient is φ = 128065536000.

The previous prime is 311103122929. The next prime is 311103122969. The reversal of 311103122968 is 869221301113.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311103122969) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4442788 + ... + 4512268.

Almost surely, 2^311103122968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311103122968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349839090720).

311103122968 is an abundant number, since it is smaller than the sum of its proper divisors (388575058472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

311103122968 is a wasteful number, since it uses less digits than its factorization.

311103122968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69629 (or 69625 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 311103122968 in words is "three hundred eleven billion, one hundred three million, one hundred twenty-two thousand, nine hundred sixty-eight".